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Well-defined chiral dinuclear copper-catalyzed tandem asymmetric propargylic amination–carboxylative cyclization sequence toward chiral 2-oxazolidinone derivatives

By pubs.rsc.org
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Org. Chem. Front., 2024, 11,6319-6326
DOI: 10.1039/D4QO01368A, Research Article
Yu Lan, Peng Liu, Zekai Fang, Lili Shao, Qilong Cai, Xiaoming Wang
A variety of chiral 2-oxazolidinones was obtained via a dinuclear copper-catalyzed asymmetric propargylic amination–carboxylative cyclization sequence of propargylic esters with alkyl amine hydrochlorides and CO2.
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A pillar[5]arene-based three-component supramolecular copolymer for the fluorescence detection of spermine

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Org. Chem. Front., 2024, 11,6293-6303
DOI: 10.1039/D4QO01470G, Research Article
Open Access
Martina Mazzaferro, Daniele Crisafulli, Francesca Mancuso, Marco Milone, Fausto Puntoriero, Anna Irto, Salvatore Patanè, Valentina Greco, Alessandro Giuffrida, Ilenia Pisagatti, Anna Notti, Melchiorre F. Parisi, Giuseppe Gattuso
A supramolecular copolymer, composed of a bis-pillar[5]arene diacid and complementary alkylidene- and perylene-bisimide-bis-imidazole comonomers, acts as an OFF/ON luminescent sensor for spermine.
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Visible-light-promoted catalytic epoxidation of alkenes under metal-free conditions

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Org. Chem. Front., 2024, 11,6437-6443
DOI: 10.1039/D4QO01265H, Research Article
Dabao Tan, Xiaoyan Cai, Lele Zhang, Boyu Liu, Jianbin Zeng, Feiming Li, Zhixiong Cai, Mingqiang Huang, Xiaoping Chen, Shunyou Cai
In this work, we report a method for the synthesis of functionalized epoxy analogues using the synergistic interaction of 4CzIPN and oxygen under visible light stimulation.
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Nickel-catalysed enantioselective cross-electrophile coupling reaction with the retention of the β-fluorine atom

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Org. Chem. Front., 2024, 11,6459-6469
DOI: 10.1039/D4QO01555J, Research Article
Xin-Yi Shi, Xueyuan Yan, Xiaodong Tang, Shi-Jing Zhai, Genping Huang, Jun-An Ma, Fa-Guang Zhang
A nickel-catalysed enantioselective reductive cross-coupling reaction of a new monofluoromethyl building block with acid chlorides is developed to give chiral α-monofluoromethyl acyloin derivatives.
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Activation of donor–acceptor cyclopropanes under basic conditions: ring opening of 2-(p-siloxyaryl)cyclopropane 1,1-dicarboxylates with nitro compounds and other C-nucleophiles

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Org. Chem. Front., 2024, 11,6483-6494
DOI: 10.1039/D4QO01472C, Research Article
Yulia A. Antonova, Andrey A. Tabolin
A new activation mode for donor–acceptor cyclopropanes was proposed and implemented in their reaction with nitro compounds and other common C-nucleophiles.
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Electrochemical approach for upgrading the pollutant CS2: three-component N–H thiocarbamylation of sulfoximines

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Org. Chem. Front., 2024, 11,6477-6482
DOI: 10.1039/D4QO01310G, Research Article
Peng Qian, Wenjing Xiong, Qian Meng, Jinxiu Liu, Xiyuan Li, Liangquan Sheng
We report an electrochemical approach for upgrading the pollutant CS2via the thiocarbamylation of sulfoximines, in which CS2 and amines are incorporated as a readily available source of dithiocarbamate.
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Carbonate-assisted selectively deoxygenative cross-coupling reaction between aryl and aliphatic aldehydes: a straightforward route to access α-alkylated aryl ketones

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Org. Chem. Front., 2024, 11,6510-6517
DOI: 10.1039/D4QO01517G, Research Article
Yu Sun, Yi Wang, Zhijun Zuo
A novel reductive cross-coupling reaction of two different aldehydes for rapidly assembling α-alkylated aryl ketones has been developed. The inexpensive carbonate served not only as a base but also as an efficient electron donor.
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Cobalt-catalyzed enantioselective reductive addition of ketimine with cyclopropyl chloride to construct chiral amino esters bearing cyclopropyl fragments

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Org. Chem. Front., 2024, 11,6311-6318
DOI: 10.1039/D4QO01474J, Research Article
Jiangtao Hu, Tingting Xia, Xianqing Wu, Hongrui Feng, Jingping Qu, Yifeng Chen
Co-catalyzed asymmetric reductive addition of ketimine with cyclopropyl chloride has been realized to access diverse chiral amino esters bearing cyclopropyl fragments with broad functional group tolerance and excellent enantioselectivities.
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Transition-metal-catalyzed C–Ge coupling reactions

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Org. Chem. Front., 2024, 11,6558-6572
DOI: 10.1039/D4QO01637H, Review Article
Jie Ke, Cadmus Du Chen, Li-Qing Ren, Bing Zu, Bin Li, Chuan He
This review covers the development and recent progress in transition-metal-catalyzed C–Ge coupling reactions. The goal is to provide a clear overview of the field, identify current challenges, and inspire further applications in this growing area.
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Dendron-mediated control over self-assembly of chlorophyll rosettes into columnar vs. discrete aggregates

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Org. Chem. Front., 2024, 11,6304-6310
DOI: 10.1039/D4QO01629G, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Ryo Kudo, Hiroki Hanayama, Balaraman Vedhanarayanan, Hitoshi Tamiaki, Nobuyuki Hara, Sarah E. Rogers, Martin J. Hollamby, Biplab Manna, Koji Harano, Shiki Yagai
By controlling the π-π stacking of chlorophyll supramolecular rosettes through steric hindrance of alkyl dendrons, it become possible to create chlorophyll tubes and discrete rings that resemble to natural chlorophyll assemblies.
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LiTMP-LiBr complex-induced lateral lithiation and cross ester condensation: direct access to isocoumarins from 2-methoxy o-toluate esters

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01678E, Research Article
Open Access
Mintu Rehman, Sajib Daimary, Rasajna Madhusudhana, Rajendar Goreti
LiTMP-LiBr complex promotes cross-ester coupling of 2-methoxy o-toluate esters to directly yield isocoumarin is demonstrated. Method applied to many natural product precursors including synthesis of (+)- and (−)-lunatinins.
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A two-step Kinugasa/Conia-ene-type sequential reaction for the asymmetric synthesis of 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01388C, Research Article
Shanyue Li, Qicai Ma, Bohua Wu, Haowen Ma, Wei Zhou, Qian Cai
A two-step Kinugasa/Conia-ene-type sequential reaction is developed. The process provided a simple and efficient access to chiral 8-methylene-2,6-diazaspiro[3.4]octane-1,5-diones.
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Copper-catalyzed alkynyldisulfuration of arynes: an efficient access to unsymmetrical disulfides

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01844C, Research Article
Shuai Huang, Yumin Zhang, Yuekai Li, Chen-Ho Tung, Xin Li, Zhenghu Xu
This article investigates a copper-catalyzed alkynyl disulfuration reaction of aryne formed in situ to synthesize o‑alkynyl aryl disulfides. The transformation proceeds through the in situ generation of aryne, followed by...
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DABSO-Mediated Pummerer Reaction Enables One-Pot Synthesis of Pyrroloquinolines for Accessing Marinoquinolines: Mechanistic, Photophysical and Pharmacological Investigations

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01512F, Research Article
Rahimuddin Khan, Dipun Kumar Penthi, Aditi Chatterjee, Chandrakanta Sahoo, Shanti Gopal Patra, Viswanathan Arun Nagaraj, Tabrez Khan
A new one-pot acid- and exogenous oxidant-free synthesis of pyrrolo[2,3-c]quinolines has been developed. The strategy involves chemoselective reduction of the 3-(2-nitrophenyl)-1H-pyrroles (pyrrolnitrin derivatives) and subsequent DABSO-facilitated Pummerer reaction in the...
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Charge Transfer Complex Enabled Mechanochemical Synthesis of Chalcogenoacetylenes via Alkynyl Radicals

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01827C, Research Article
Open Access
Fang Tan, Chang-Zhen Fang, Bing-Sheng Qiu, He Sheng, Yong-Liang Tu, Xiang-Yu Chen
Mechanochemistry has become an appealing strategy to enable numerous organic transformations. While significant advances have been achieved, the radical coupling reaction under mechanochemical conditions is still in its infancy. In...
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Copper(II)-catalyzed synthesis of sulfonyl-functionalized quinone-fused cyclopenta[b]indoles via four-component cascade annulation

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01560F, Research Article
Hong Xu, Jie Liao, Fei Ren, Chuan-Rong Zhou, Xiao-Zhuo Liu, Yao Xiao, Dong-Wei Hang, Fuyu Li, Bei Wang, Ji-Yu Wang
Through crucial selective radical tandem process and intramolecular nucleophilic addition, a facile copper-catalyzed four-component cascade has been realized to selectively construct novel sulfonyl-functionalized quinone-fused cyclopenta[b]indole.
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Catalyst-free C–H methylation of heteroarenes enabled by electron donor–acceptor complex photoactivation

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01309C, Research Article
Jiayang Wang, Baoer Shao, Haixia Ge, Huiyu Xue, Xiangyuan Ding, Yuqi Li, Peiyao Sheng
A visible-light-induced direct C–H methylation of heterocycles (including quinoxalinones, pyrazinones, quinolinones and coumarins) with methylamines via EDA complex photoactivation was developed.
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A Stereoselective Organocatalyzed C-Glycosylation of Indole: Implications of Acceptor-Catalyst-Donor Interaction

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01873G, Research Article
Lihuang Xie, Wenchao Liu, Zhenbo Guo, Qinbo Jiao, Xiaomin Shen, Tianfei Liu, Chunfa Xu
A stereoselective pyridinium hexafluorophosphate-catalyzed C-glycosylation of indole is presented, featuring the plausible formation of a catalyst-acceptor complex and a crucial H-bond between the indole N-H and the oxygen at C6...
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Thiocyanoalkylation of Alkenes via Dual Photoredox and Copper Catalysis

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Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01864H, Research Article
Xu Wang, Bi-Yin Xiao, Qi-Xuan Jiang, Wei Huang, Feng-Hua Zhang
Organic thiocyanates are commonly used as an essential organic synthesis intermediate and widely present in various drug molecules and bioactive molecules. Herein, a copper and photoredox catalyzed thiocyanoalkylation reaction of...
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Iridium-catalyzed asymmetric cascade allylation/lactonization of methyl salicylates: enantioselective construction of chiral benzodioxepinones

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01771D, Research Article
Bendu Pan, Yunru Wu, Yaqi Zhang, Xiaobo He, Long Jiang, Liqin Qiu
An efficient asymmetric cascade allylation/lactonization of methyl salicylates is achieved. The utilization of chiral-bridged biphenyl phosphoramidite ligand resulted in good results for the construction of a wide range of chiral benzodioxepinones.
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Stereocontrolled synthesis of heterocycles from unactivated alkynes by photoredox/nickel dual-catalyzed cyclization

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01627K, Research Article
Bo-Rong Leng, Feng Yang, Jin-Lian Bai, Yu-Wen Huang, Qing-Quan Liu, Ping Wei, De-Cai Wang, Yi-Long Zhu
We report a nickel/photoredox dual catalysis method for synthesizing heterocyclics from unactivated alkynes and aryl iodides, offering a direct, selective, and green alternative to traditional synthesis with potential in medicinal chemistry.
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Metal–ligand cooperation and synergistic palladium catalysis for the dual ligand system [2,2'-bipyridin]-6(1H)–one/PCy3: milder conditions for the undirected C–H arylation of arenes

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01877J, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Cintya Pinilla, Mario García-Zarza, Ana C. Albéniz
The mixture of Pd(OAc)2 and two ligands segregate into distinct active species working synergistically for the C–H arylation of simple arenes.
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PIFA-Mediated cyclization of methyl(2-(1-phenylvinyl)phenyl)sulfane for the concise, flexible, and scalable de novo synthesis of C3-arylated benzo[b]thiophenes

By pubs.rsc.org
Published On ::

Org. Chem. Front., 2024, Accepted Manuscript
DOI: 10.1039/D4QO01589D, Research Article
Xinya Liu, Olivier Provot, Christine Tran, Jean-Francois Soule, Abdallah Hamze
The well-decorated arylated benzo[b]thiophene scaffold is a pivotal structural motif with diverse applications in medicinal chemistry. This paper outlines a de novo synthesis of C3-arylated benzo[b]thiophenes, showcasing its flexibility and...
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Modular dehydrogenative cross-nucleophile coupling for direct construction of tetrasubstituted carbons

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Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01641F, Research Article
Peng Wang, Qiang Wang, Meng Wang, Liang Wang, Lubin Xu, Xiong-Li Liu, Fangzhi Hu, Shuai-Shuai Li
An FeCl3-catalyzed cross-dehydrogenative coupling reaction for the construction of various types of C–Y (Y = C, N, O, S) bonds with air as a green oxidant.
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Convergent Synthetic Approaches to Polycyclic Aromatic Dicarboximides

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Org. Chem. Front., 2025, Accepted Manuscript
DOI: 10.1039/D4QO01828A, Review Article
Kazutaka Shoyama, Frank Wuerthner
Polycyclic aromatic dicarboximides (PADIs) as represented by naphthalene and perylene bis(dicarboximide) are useful molecules for a variety of functional materials and remain important synthetic targets for organic chemists. In this...
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Telangana Cyber Security Bureau conducts digital awareness campaign for senior citizens

By www.thehindu.com
Published On :: Thu, 07 Nov 2024 11:06:15 +0530


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Cong. govt cheating paddy farmers on procurement: Kishan Reddy

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Published On :: Thu, 07 Nov 2024 18:50:38 +0530


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HYDRAA created fear among encroachers and big builders and not common people: Telangana CM

By www.thehindu.com
Published On :: Thu, 07 Nov 2024 21:49:14 +0530


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75th anniversary of Bharat Scouts and Guides celebrated

By www.thehindu.com
Published On :: Thu, 07 Nov 2024 22:58:00 +0530


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Nampally court takes cognisance of ED’s prosecution complaint against AgriGold

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 03:03:10 +0530


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Owaisi hails Supreme Court ruling on AMU’s minority status

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 17:12:58 +0530

The Modi government should take this judgement in its stride, says Asad


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Congress shedding ‘çrocodile tears’ over BCs welfare: BJP leader Laxman

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 17:55:32 +0530


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Raid on hospitals in Hyderabad and Secunderabad leads to seizure of controlled drugs

By www.thehindu.com
Published On :: Fri, 08 Nov 2024 18:03:20 +0530

The raiding teams found substances which are are classified as controlled drugs and their sale and possession are strictly regulated under the Narcotic Drugs and Psychotropic Substances (NDPS) Act


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Cockroach infestation found at CCMB canteen; hygiene violations flagged at Nacharam restaurants

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 18:01:58 +0530


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U.S. doctors explore institutional collaboration with NIMS

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 19:38:44 +0530


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Ponnam criticises BJP leader Laxman’s comments on caste census

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 20:06:17 +0530


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Commotion at BRS dharna in Huzurabad, vehicular traffic disrupted on highway

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 20:29:37 +0530


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District Consumer Commission dismisses complaint against Google Pay due to lack of evidence

By www.thehindu.com
Published On :: Sat, 09 Nov 2024 20:36:08 +0530


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Man, friend killed in car-bus collision after attending sister’s wedding reception

By www.thehindu.com
Published On :: Sun, 10 Nov 2024 19:10:31 +0530


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CM Revanth Reddy announces resolve to complete pending projects of Palamuru district

By www.thehindu.com
Published On :: Sun, 10 Nov 2024 23:43:29 +0530

Criticises opposition parties for trying to create obstacles in district development  


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Minister Ponnam Prabhakar urges caste associations to support ongoing comprehensive survey in Telangana

By www.thehindu.com
Published On :: Sun, 10 Nov 2024 23:47:20 +0530


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Pending bills paid to contractors, but situation of BC students remains unchanged: National BC welfare association chief

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 11:34:20 +0530

He demanded Telangana government to immediately release reimbursement and scholarship dues amount to about ₹4,000 crore


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Modi’s parivar stands for division of people and Gandhi parivar works for country’s unity: Telangana CM Revanth

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 16:51:35 +0530

Referring to the lack of minority representation in his Cabinet, the Chief Minister attributed it to the absence of a Muslim MLA in Telangana


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Hyderabad commissioner restricts city-wide ban to vicinity of Telangana Secretariat

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 18:05:04 +0530

The new order comes into effect from November 11 until further notice, said the commissioner


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SRIRAM’s IAS launches coaching centre in Hyderabad

By www.thehindu.com
Published On :: Mon, 11 Nov 2024 20:49:07 +0530


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KTR’s Delhi visit to lobby with BJP to save him in Formula-E race case: Congress

By www.thehindu.com
Published On :: Tue, 12 Nov 2024 00:42:43 +0530


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Officials demand strict action against those involved in ‘confrontation’ at Vikarabad village

By www.thehindu.com
Published On :: Tue, 12 Nov 2024 00:48:38 +0530


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People’s committee slams BJP, BRS for ‘opposing’ caste survey in Telangana

By www.thehindu.com
Published On :: Tue, 12 Nov 2024 12:53:21 +0530


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GHMC’s claims for budget allocations delayed due to absence of full time commissioner

By www.thehindu.com
Published On :: Tue, 12 Nov 2024 17:15:30 +0530


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Ind vs NZ 3rd Test: India hand New Zealand control after batting flop show on Day 1

By www.thehindu.com
Published On :: Fri, 01 Nov 2024 10:48:39 +0530

India’s batting collapse makes a comeback as they face the horror of a clean sweep at home against New Zealand.


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